@prefix:serious-training;
.@{prefix}{
  h3{
    color:rgb(35, 129, 232);
    font-size: 20px;
    font-weight: bold;
    line-height: 48px;
  }
  h4{
    color: rgb(35, 129, 232);
    font-size: 16px;
    line-height: 30px
  }
}